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[–] 0 pt

well. this post is not really correct. it's misleading because the person doesn't understand how the tech actually functions.

it knows you're in front of gate whatever because the phone is triangulating using both gps and wireless access points. this is much more accurate than using the cellular system metrics. but, in an urban enjoyment it should certainly be able to get you down to a specific city block pretty easily - especially if you're moving around a lot.

It depends on what kind of gps chip the phone has. I fly drones i build and a ublox m8n can easily be accurate to 1 meter.

[–] 0 pt (edited )

.... that's a gps module. of course you can get that type of resolution. 😉 generally, when a Telco has your position, it's obtained from there radio interface details that your phone is utilizing (and not utilizing). not gps. it's no where near that precise, because it wasn't designed to perform geolocation when it was implemented.

Most phones have a gps chip. I just figure the phones reporting back your gps coordinates to the telcos when it makes connections with the tower now. Sure they can still use triangulation but it is more of a fallback than the primary way to track a cellphone user.